﻿/*
 *  Copyright (C) 2010 by Benjamin Nolmans <benjamin.nolmans@gmail.com>
 *  and Barbara Post <postb99@gmail.com>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

using System.IO;
using OsamesFrameworkCore.Plugins.Management.Types;
using OsamesFrameworkCore.Logging;
using OsamesFrameworkCore.Xml.Types;
using OsamesFrameworkCore.Xml;

namespace OsamesFrameworkCore.Plugins.Configuration
{
    /// <summary>
    /// Plugin xml configuration manager.
    /// Loads an xml file into a dictionary (of type XmlDictionaryContainer) and return it. 
    /// Xml file path and names are given from plugin dll location and plugin type full name.
    /// </summary>
    public static class PluginConfigurationManager
    {
        /// <summary>
        /// Load a plugin configuration using available plugin representation.
        /// </summary>
        /// <param name="apPlugin_">AvailablePlugin (plugin wrapper)</param>
        /// <returns>XmlDictionaryContainer or null</returns>
        public static XmlDictionaryContainer Load(AvailablePlugin apPlugin_)
        {
            // XML file name convention
            string strExpectedFileName = string.Format("{0}.xml", apPlugin_.Plugin.GetType().FullName);
            string strExpectedPath = Path.Combine(Path.GetDirectoryName(apPlugin_.PluginLocation), strExpectedFileName);

            LoggerService.Log(typeof(PluginConfigurationManager), LogLevel.Debug, "Loading a plugin config");
            LoggerService.Log(typeof(PluginConfigurationManager), LogLevel.Trace, "Looking for plugin config file : '{0}'", new object[]{strExpectedPath});

            if (File.Exists(strExpectedPath))
            {
                XmlDictionaryContainer xdcConfiguration;
                XmlConfigurationLoader.ProcessConfigurationFile(strExpectedPath, out xdcConfiguration);
                return xdcConfiguration;

            }
            // Plugin without configuration or file not found
            return null;
        }
        
    }
}
